Flask



FIG. 1 is a top, front and right side perspective view of a flask,showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top, rear and left side perspective view thereof, showingfour small square magnets on the rear surface;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left sideelevational view being a mirror image;

FIG. 6 is a top plan view thereof;

FIG. 7 is a top, rear perspective view thereof; and,

FIG. 8 is a bottom plan view thereof.

I claim the ornamental design for a flask, as shown and described.